Piccardi
{{PatentInfo |Inventor=Ruel W. Whitney |Assignee=Ruel W. Whitney |Country=US |ApplicationNum=624949 |ApplicationDate=1911-05-04 |PatentNum=1005387 |PatentDate=1911-10-10 |PriorityDate=1911-05-04 |Titolo=Fountain-pen filler |Marca=Whitney-Richards |Desc...